21 October 2016 Coherent synthetic imaging using multi-aperture scanning Fourier ptychography
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Abstract
The high resolution is what the synthetic aperture technique quests for. In this paper, we propose an approach of coherent synthetic imaging with sparse aperture systems using multi-aperture scanning Fourier ptychography algorithm, which can further improve the resolution of sparse aperture systems. The reported technique first acquires a series of raw images by scanning a sparse aperture system and then the captured images are used to synthesize a larger spectrum in the frequency domain using aperture-scanning Fourier ptychography algorithm. The system’s traveling circumvent its diffraction limit so that a super-resolution image can be obtained. Numerical simulation demonstrates the validity. The technique proposed in this paper may find wide applications in synthetic aperture imaging and astronomy.
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Zongliang Xie, Haotong Ma, Bo Qi, Ge Ren, "Coherent synthetic imaging using multi-aperture scanning Fourier ptychography", Proc. SPIE 9987, Electro-Optical and Infrared Systems: Technology and Applications XIII, 998716 (21 October 2016); doi: 10.1117/12.2241960; https://doi.org/10.1117/12.2241960
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